When you read articles like this, you wonder if we are anywhere near overcoming the challenges of space travel. ¬†Just a short 5 months in space has left Canadian Chris Hadfield’s body in such a state that’s even had to learn how to use his tongue for speaking in gravity again.

Back on Earth, Canadian astronaut and cyberspace tweeter Chris Hadfield is getting a rough re-introduction to gravity after a five-month stint aboard the International Space Station, the former commander told reporters during a video webcast from Houston.